SIMPLE INTELLIGENT PARKING ASSIST SYSTEM PROBLEM SYMPTOMS TABLE


Symptom	Suspected Area	Link
Parking assist detection mode cannot be entered even though the IPA main switch assembly is pressed	Proceed to "Main Switch Circuit"	Click here
	Proceed to "Power Source Circuit"	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
The buzzer does not sound when a parking space is detected, or when simple intelligent parking assist system operation is completed or canceled	It may be difficult to hear the buzzer sounds depending on the vehicle conditions, such as when the Toyota parking assist sensor system buzzer sounds simultaneously or the audio volume level is high	-
	Meter / gauge system	Click here
The vehicle cannot be parked in a target parking space	Refer to Operation Description in System Description to check the usage conditions and perform the operation again	Click here
	Refer to Precaution for simple intelligent parking assist system and ultrasonic sensor	Click here
	Check tire pressure	-
	Check the installation condition of the bumper and all ultrasonic sensors	-
	Initialization of simple intelligent parking assist system	Click here
	Proceed to "Vehicle does not Move to Set Parking Position"	Click here
	Ultrasonic sensor (for Hatchback Front Side, Wagon Front Side)	Click here
	Ultrasonic sensor (for Sedan Front Side)	Click here
	Ultrasonic sensor (for Hatchback Rear Side)	Click here
	Ultrasonic sensor (for Wagon Rear Side)	Click here
	Ultrasonic sensor (for Sedan Rear Side)	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
A parking space cannot be detected	Refer to Operation Description in System Description to check the usage conditions and perform the operation again	Click here
	Refer to Precaution for simple intelligent parking assist system and ultrasonic sensor	Click here
	Check the installation condition of the bumper and all ultrasonic sensors	-
	Ultrasonic sensor (for Hatchback Front Side, Wagon Front Side)	Click here
	Ultrasonic sensor (for Sedan Front Side)	Click here
	Ultrasonic sensor (for Hatchback Rear Side)	Click here
	Ultrasonic sensor (for Wagon Rear Side)	Click here
	Ultrasonic sensor (for Sedan Rear Side)	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
An unsuitable parking space is detected	Refer to Operation Description in System Description to check the usage conditions and perform the operation again	Click here
	Refer to Precaution for simple intelligent parking assist system and ultrasonic sensor	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
After a parking space is detected, automatic steering does not start even though the shift lever is moved to R	Proceed to "Reverse Signal Circuit"*1	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
During parking space detection mode, the mode does not change to driver seat parking space detection mode even though the turn signal switch is operated to turn on the driver seat side signal	Meter / gauge system	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
"MEMORY ERROR" is displayed on the multi-information display during initialization and initialization cannot be completed	Check DTC	Click here
	Clearance warning ECU assembly (for Hatchback LHD, Wagon LHD)	Click here
	Clearance warning ECU assembly (for Hatchback RHD, Wagon RHD)	Click here
	Clearance warning ECU assembly (for Sedan)	Click here
"IPA NOT AVAILABLE, STOP THE VEHICLE, TURN WHEEL FROM LEFT END TO RIGHT END" is displayed on the multi-information display when the IPA main switch assembly is pressed	Memorized maximum steering angle	Click here

*1: for MT or MMT